The Soap Opera: Unlikely Solution or Fad? In recent years, gardening has seen an influx of unconventional hacks and DIY solutions to common problems.
One trend gaining traction is the use of Irish Spring soap bars to deter pests from tomato plants. This practice may seem far fetched, but its roots lie in a 30 year old research study.
The University of Nebraska's 1991 study on deer management found that "bars of fragrant soap" could effectively keep these critters away from crops during critical times.